40552221153 has 4 divisors (see below), whose sum is σ = 54069628208. Its totient is φ = 27034814100.

The previous prime is 40552221139. The next prime is 40552221163. The reversal of 40552221153 is 35112225504.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40552221153 - 2⁵ = 40552221121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40552221153.

It is not an unprimeable number, because it can be changed into a prime (40552221133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6758703523 + ... + 6758703528.

It is an arithmetic number, because the mean of its divisors is an integer number (13517407052).

Almost surely, 2^40552221153 is an apocalyptic number.

It is an amenable number.

40552221153 is a deficient number, since it is larger than the sum of its proper divisors (13517407055).

40552221153 is a wasteful number, since it uses less digits than its factorization.

40552221153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13517407054.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 40552221153 its reverse (35112225504), we get a palindrome (75664446657).

The spelling of 40552221153 in words is "forty billion, five hundred fifty-two million, two hundred twenty-one thousand, one hundred fifty-three".